ASN Lookup Tool

Internet Initiative Japan Inc. JP JP 205 Routes

AS Data

AS2497

AS2497Internet Initiative Japan Inc.

AS Number 2497
AS Name IIJ
Organization Internet Initiative Japan Inc.
Country JP
Number of IPv4 Routes 194
Number of IPv6 Routes 11
ASN type ISP
Registry JPNIC
Date Allocated N/A

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Use ASN data for AS2497 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
210.233.165.0/24 256
240a:71:9000::/36 ~5×10²⁷
133.194.224.0/20 4096
23.159.40.0/24 256
210.233.162.0/24 256
150.87.0.0/16 65536
203.139.236.0/22 1024
202.48.108.0/23 512
210.233.189.0/24 256
150.61.54.0/24 256
160.17.0.0/16 65536
2001:240::/32 ~79×10²⁷
2403:5700::/48 ~1×10²⁴
143.125.0.0/17 32768
218.42.160.0/19 8192
240a:71:8000::/36 ~5×10²⁷
101.128.128.0/17 32768
143.94.217.0/24 256
220.156.128.0/19 8192
210.233.183.0/24 256
219.126.128.0/17 32768
202.238.192.0/18 16384
150.23.0.0/16 65536
202.141.192.0/20 4096
210.233.182.0/24 256
150.61.55.0/24 256
210.133.192.0/18 16384
133.173.128.0/17 32768
133.236.0.0/16 65536
138.107.0.0/16 65536
61.211.96.0/19 8192
133.194.240.0/21 2048
139.152.13.0/24 256
203.180.0.0/16 65536
210.233.163.0/24 256
2001:300::/32 ~79×10²⁷
220.208.192.0/19 8192
203.139.224.0/22 1024
2403:5700:1::/48 ~1×10²⁴
210.233.185.0/24 256
132.179.0.0/16 65536
163.140.0.0/16 65536
178.239.124.0/24 256
220.156.64.0/19 8192
133.194.254.0/24 256
210.233.171.0/24 256
163.55.0.0/16 65536
210.233.174.0/24 256
210.233.170.0/24 256
133.221.0.0/16 65536
118.151.128.0/18 16384
178.239.125.0/24 256
133.169.8.0/22 1024
220.156.96.0/19 8192
202.24.195.0/24 256
210.233.181.0/24 256
202.155.129.0/24 256
210.141.16.0/20 4096
210.130.0.0/16 65536
210.233.190.0/24 256

Raw Whois Response

[ JPNIC database provides information regarding IP address and ASN. Its use   ]
[ is restricted to network administration purposes. For further information,  ]
[ use 'whois -h whois.nic.ad.jp help'. To only display English output,        ]
[ add '/e' at the end of command, e.g. 'whois -h whois.nic.ad.jp xxx/e'.      ]

Autonomous System Information:
a. [AS Number]                  2497
b. [AS Name]                    IIJ
g. [Organization]               Internet Initiative Japan Inc.
m. [Administrative Contact]     JP00006327
n. [Technical Contact]          JP00006327
q. [Abuse]                      
o. [IMPORT]                     
p. [EXPORT]                     
[Assigned Date]                 
[Last Update]                   2005/06/02 15:47:08(JST)
% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS2497 - AS2528'

as-block:       AS2497 - AS2528
descr:          JPNIC-2Byte-ASBLOCK-AP
descr:          for assignment to JPNIC members
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Authoritative information regarding AS Number
remarks:        assignments made from within this block can be
remarks:        queried at whois.nic.ad.jp.
remarks:        To only display English output,
remarks:        add '/e' at the end of command,
remarks:        e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by:         APNIC-HM
mnt-lower:      MAINT-JPNIC
last-modified:  2017-06-12T03:54:29Z
source:         APNIC

role:           Japan Network Information Center
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
country:        JP
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         hostmaster@nic.ad.jp
admin-c:        JI13-AP
tech-c:         JE53-AP
nic-hdl:        JNIC1-AP
mnt-by:         MAINT-JPNIC
last-modified:  2022-01-05T03:04:02Z
source:         APNIC

% Information related to 'AS2497'

aut-num:        AS2497
as-name:        IIJ
descr:          Internet Initiative Japan Inc.
import:
export:
country:        JP
admin-c:        JP00006327
tech-c:         JP00006327
last-modified:  2005-06-03T00:47:08Z
remarks:        This information has been partially mirrored by APNIC from
remarks:        JPNIC. To obtain more specific information, please use the
remarks:        JPNIC WHOIS Gateway at
remarks:        http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks:        whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks:        defaults to Japanese output, use the /e switch for English
remarks:        output)
source:         JPNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-JP1)



#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       2497 - 2528
ASName:         APNIC-AS-X-BLOCK
ASHandle:       AS2497
RegDate:        2002-04-05
Updated:        2009-10-08
Comment:        These AS numbers are not registered in the ARIN database.
Comment:        For details, refer to the APNIC Whois Database via
Comment:        WHOIS.APNIC.NET or http://wq.apnic.net/apnic-bin/whois.pl
Ref:            https://rdap.arin.net/registry/autnum/2497

ResourceLink:  https://apps.db.ripe.net/db-web-ui/query
ResourceLink:  whois.apnic.net


OrgName:        Asia Pacific Network Information Centre
OrgId:          APNIC
Address:        PO Box 3646
City:           South Brisbane
StateProv:      QLD
PostalCode:     4101
Country:        AU
RegDate:        
Updated:        2012-01-24
Ref:            https://rdap.arin.net/registry/entity/APNIC

ReferralServer:  whois://whois.apnic.net
ResourceLink:  http://wq.apnic.net/whois-search/static/search.html

OrgAbuseHandle: AWC12-ARIN
OrgAbuseName:   APNIC Whois Contact
OrgAbusePhone:  +61 7 3858 3188 
OrgAbuseEmail:  search-apnic-not-arin@apnic.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN

OrgTechHandle: AWC12-ARIN
OrgTechName:   APNIC Whois Contact
OrgTechPhone:  +61 7 3858 3188 
OrgTechEmail:  search-apnic-not-arin@apnic.net
OrgTechRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS17939 miyazaki cabletelevision network Co.,LTD JP
AS4837 China Unicom Backbone CN
AS5511 Orange S.A. FR
AS131896 SSI Lab Inc. JP
AS7500 WIDE Project JP
AS7514 Computer Engineering & Consulting, Ltd. JP
AS2500 WIDE Project JP
AS55899 irob Ltd. JP
AS7690 Mirai Communication Network Inc. JP
AS3258 xTom Japan Corporation JP
AS4862 Orange Business AS for Asia HK
AS3303 Swisscom Schweiz AG CH
AS23820 Rakuten Group, Inc. JP
AS139341 ACEVILLE PTE.LTD. SG
AS6079 RCN US
AS51847 Nearoute Limited HK
AS9605 NTT DOCOMO, INC. JP
AS703 Verizon Business US
AS3216 PJSC "Vimpelcom" RU
AS11164 Internet2 US
AS701 Verizon Business/UUnet US
AS23778 IMIZU CABLE NETWORK CO.,LTD. JP
AS131899 DIG Inc. JP
AS54740 Dynaweb Foundation US
AS38628 HIMEJI CABLE TELEVISION CORPORATION JP
AS23639 NTT Bizlink, Inc. JP
AS131961 Dokkyo University JP
AS40263 Bear Cloud Solutions, Inc. US
AS4785 xTom JP
AS32787 Akamai Technologies, Inc. US
AS58788 Chiroro Net Co.,Ltd. JP
AS4788 TM TECHNOLOGY SERVICES SDN. BHD. MY
AS6667 Elisa Oyj FI
AS24319 Akamai Technologies Tokyo ASN SG
AS4761 INDOSAT Internet Network Provider ID
AS17512 Japan Airlines Co.,Ltd. JP
AS18135 BTV CO.,LTD. JP
AS7664 HARENET INC. JP
AS8657 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A. PT
AS17529 STARCAT Co .,LTD. JP
AS37100 SEACOM Limited MU
AS24248 Wakayama University JP
AS17940 CYBER LINKS Co.,Ltd. JP
AS10310 Yahoo Holdings Inc. US
AS25152 Reseaux IP Europeens Network Coordination Centre (RIPE NCC) NL
AS4766 Korea Telecom KR
AS131958 Tama Cable Network Co.,Ltd. JP
AS135377 UCLOUD INFORMATION TECHNOLOGY HK LIMITED HK
AS45899 VNPT Corp VN
AS42 WoodyNet, Inc. US
AS17961 mitene internet co., ltd. JP
AS17944 Japan Weather Association JP
AS4826 VOCUS PTY LTD AU
AS131912 Cybozu,Inc. JP
AS8708 DIGI ROMANIA S.A. RO
AS8966 EMIRATES TELECOMMUNICATIONS GROUP COMPANY ETISALAT GROUP PJSC AE
AS9121 Turk Telekomunikasyon Anonim Sirketi TR
AS45629 JasTel Network International Gateway TH
AS9498 Bharti Airtel Ltd IN
AS10010 TOKAI Communications Corporation JP

Upstreams

AS Number Description Country
AS6453 TATA COMMUNICATIONS AMERICA INC US
AS9304 HGC Global Communications Limited HK
AS8708 DIGI ROMANIA S.A. RO
AS5511 Orange S.A. FR
AS9498 Bharti Airtel Limited IN
AS3320 Deutsche Telekom AG DE
AS6939 Hurricane Electric LLC US
AS8359 MTS PJSC RU
AS6830 Liberty Global Europe Holding B.V. NL
AS286 GTT Communications Inc. US
AS7713 Telekomunikasi Indonesia PT ID
AS8966 EMIRATES TELECOMMUNICATIONS GROUP COMPANY ETISALAT GROUP PJSC AE
AS2914 NTT America, Inc. US
AS2516 KDDI CORPORATION JP
AS9121 Turk Telekomunikasyon Anonim Sirketi TR
AS37468 Angola Cables AO
AS1273 IDDQD AS NL
AS4837 CHINA UNICOM China169 Backbone CN
AS4713 NTT DOCOMO BUSINESS,Inc. JP
AS3303 Swisscom Schweiz AG CH
AS3491 PCCW Global HK Limited HK
AS2518 BIGLOBE Inc. JP
AS4637 Telstra International Limited HK
AS6461 Zayo Bandwidth US
AS37100 SEACOM Limited MU
AS60068 Datacamp Limited GB
AS3216 PJSC Vimpelcom RU
AS1257 Tele2 Sverige AB SE
AS12389 PJSC Rostelecom RU
AS58453 China Mobile International Limited HK
AS8220 COLT Technology Services Group Limited GB
AS30781 Free Pro SAS FR
AS6057 Administracion Nacional de Telecomunicaciones UY
AS7473 Singapore Telecommunications SINGTEL Internet Exchange SG
AS174 Cogent Communications, LLC US
AS577 Bell Canada CA
AS13030 Init7 Switzerland Ltd. CH
AS9370 SAKURA Internet Inc. JP
AS15412 Global Cloud Xchange GB
AS1299 Arelion Sweden AB SE
AS20485 Joint Stock Company TransTeleCom RU
AS3257 GTT Communications Inc. US
AS3356 Level 3 Parent, LLC US
AS701 Verizon Business US

Downstreams

AS Number Description Country
AS17939 miyazaki cabletelevision network Co.,LTD JP
AS5511 Orange S.A. FR
AS131896 SSI Lab Inc. JP
AS7500 WIDE Project JP
AS7514 Computer Engineering & Consulting, Ltd. JP
AS2519 ARTERIA Networks Corporation JP
AS4785 xTom Limited JP
AS8781 Ooredoo Q.S.C. QA
AS37468 Angola Cables AO
AS216211 CYBERVERSE LLC US

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Frequently Asked Questions

ASN AS2497 is an Autonomous System Number used to identify a network for BGP internet routing.
AS2497 is listed under Internet Initiative Japan Inc..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.